'\" te
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.TH USB_GET_ADDR 9F "Sep 16, 2016"
.SH NAME
usb_get_addr \- Retrieve device USB address
.SH SYNOPSIS
.nf
#include <sys/usb/usba.h>

\fBint\fR \fB\fR\fBusb_get_addr\fR(\fBdev_info_t *\fR\fIdip\fR);
.fi

.SH INTERFACE LEVEL
illumos DDI specific (illumos DDI)
.SH PARAMETERS
.ne 2
.na
\fB\fIdip\fR\fR
.ad
.RS 7n
Pointer to the device's dev_info structure.
.RE

.SH DESCRIPTION
The \fBusb_get_addr()\fR function returns the current USB bus address for
debugging  purposes. The returned address is unique for a specific USB bus, and
may be replicated if multiple host controller instances are present on the
system.
.SH RETURN VALUES
On success: USB device address.
.sp
.LP
On failure: returns 0. Fails if dip is NULL.
.SH CONTEXT
May be called from user, kernel or interrupt context.
.SH EXAMPLES
.in +2
.nf
int usb_addr;

usb_addr = usb_get_addr(dip);
.fi
.in -2

.SH ATTRIBUTES
See \fBattributes\fR(7) for descriptions of the following attributes:
.sp

.sp
.TS
box;
c | c
l | l .
ATTRIBUTE TYPE	ATTRIBUTE VALUE
_
Architecture	PCI-based systems
_
Interface stability	Committed
.TE

.SH SEE ALSO
.BR attributes (7),
.BR usb_pipe_xopen (9F)
